package baishun

import (
	"chatapp3-golang/internal/model"
	"context"
	"net/http"
	"strings"

	"gorm.io/gorm"
)

const (
	baishunProfileProd = "PROD"
	baishunProfileTest = "TEST"
)

func normalizeBaishunProfile(profile string) string {
	switch strings.ToUpper(strings.TrimSpace(profile)) {
	case "", "PROD", "PRODUCT", "PRODUCTION", "ONLINE", "OFFICIAL", "FORMAL":
		return baishunProfileProd
	case "TEST", "TESTING", "SANDBOX", "DEV":
		return baishunProfileTest
	default:
		return strings.ToUpper(strings.TrimSpace(profile))
	}
}

func validateBaishunProfile(profile string) (string, error) {
	profile = normalizeBaishunProfile(profile)
	switch profile {
	case baishunProfileProd, baishunProfileTest:
		return profile, nil
	default:
		return "", NewAppError(http.StatusBadRequest, "profile_invalid", "profile must be PROD or TEST")
	}
}

func (s *BaishunService) activeProfile(ctx context.Context, sysOrigin string) (string, error) {
	sysOrigin = normalizeAdminSysOrigin(sysOrigin)

	var row model.BaishunProviderConfig
	err := s.repo.DB.WithContext(ctx).
		Where("sys_origin = ? AND active = ?", sysOrigin, true).
		Order("update_time DESC").
		Limit(1).
		First(&row).Error
	if err == nil {
		return normalizeBaishunProfile(row.Profile), nil
	}
	if err == gorm.ErrRecordNotFound {
		return baishunProfileProd, nil
	}
	return "", err
}

func (s *BaishunService) requestProfile(ctx context.Context, sysOrigin string, profile string) (string, error) {
	if strings.TrimSpace(profile) != "" {
		return validateBaishunProfile(profile)
	}
	return s.activeProfile(ctx, sysOrigin)
}